Home / 977-1,348.44-563

Finding the Fourth Proportional to 977, 1,348.44 and 563

Calculator

Solution

The fourth proportional to 977, 1,348.44 and 563 is: 777.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    977 : 1,348.44 = 563 : x
  2. Step 2: Convert to fraction form
    977/1,348.44 = 563/x
  3. Step 3: Cross multiply
    977x = 1,348.44 × 563
  4. Step 4: Simplify right side
    977x = 759,171.72
  5. Step 5: Solve for x
    x = 759,171.72/977
  6. Step 6: Final answer
    x = 777.04

Related Problems

Find fourth proportional to 488.50, 674.22 and 281.50
Half scale
Find fourth proportional to 1,954, 2,696.88 and 1,126
Double scale
Find fourth proportional to 978, 1,349.82 and 564
Similar ratio
Find fourth proportional to 1,465.50, 2,022.66 and 844.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.